Development of upper body power in junior cross-country skiers.
D000293:Adolescent; D000704:Analysis of Variance; D001132:Arm / Q000502:physiology; D005260:Female; D006801:Humans; D008297:Male; D018482:Muscle, Skeletal / Q000502:physiology; D010806:Physical Education and Training / Q000379:methods*; D010807:Physical Endurance; D012865:Skiing / Q000502:physiology*